a
)
Intranasal
steroid
monotherapy
.
b
)
Oral
antihistamine
monotherapy
.
c
)
Intra
-
nasal
antihistamine
monotherapy
(
____________________
)
Add
oral
decongestant
.
(
____________________
)
Add
intranasal
steroid
.
(
____________________
)
Add
intranasal
antihistamin
e
